DevTools: remove UISourceCodeFrame from context when switching panels.

third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js

Index: third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js b/third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js
index 2be5323b8308c26e88c10f81d399c22dc662666a..fc2b6af39333577f79e67672d205395743ab171c 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js
@@ -91,6 +91,7 @@ WebInspector.UISourceCodeFrame.prototype = {
     willHide: function()
     {
         WebInspector.SourceFrame.prototype.willHide.call(this);
+        WebInspector.context.setFlavor(WebInspector.UISourceCodeFrame, null);
         this.element.ownerDocument.defaultView.removeEventListener("focus", this._boundWindowFocused, false);
         delete this._boundWindowFocused;
         this._uiSourceCode.removeWorkingCopyGetter();
@@ -98,6 +99,24 @@ WebInspector.UISourceCodeFrame.prototype = {
 
     /**
      * @override
+     */
+    editorFocused: function()
+    {
+        WebInspector.SourceFrame.prototype.editorFocused.call(this);
+        WebInspector.context.setFlavor(WebInspector.UISourceCodeFrame, this);
+    },
+
+    /**
+     * @override
+     */
+    editorBlurred: function()
+    {
+        WebInspector.context.setFlavor(WebInspector.UISourceCodeFrame, null);
+        WebInspector.SourceFrame.prototype.editorBlurred.call(this);
+    },
+
+    /**
+     * @override
      * @return {boolean}
      */
     canEditSource: function()